# 瑞梦思Sleep vs 灵光象吉

The clearest difference is in-app purchases: 瑞梦思Sleep at none against 灵光象吉's 3. 瑞梦思Sleep also leads on iOS requirement (10.0 vs 13.0). 灵光象吉's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. 灵光象吉 sells 3 in-app purchases, starting at $2.99 per month. 瑞梦思Sleep asks for nothing beyond the download.

瑞梦思Sleep ships an update every 4 months, 灵光象吉 every 2 weeks. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 瑞梦思Sleep | 灵光象吉 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/id6473791019/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 42 MB | 47 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Glamour Technology Co., Ltd.](https://appshunter.io/developer/1555640422) | [琳 刘](https://appshunter.io/developer/1708388423) |

## What reviewers say

### 瑞梦思Sleep

[App page](https://appshunter.io/ios/app/sleep/id1613455641)

**In-app purchases:** none


### 灵光象吉

[App page](https://appshunter.io/ios/app/id6473791019)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 自动续费高级会员(1个月) | $2.99 | per month |
| 自动续费高级会员(3个月) | $8.99 | per 3 months |
| 自动续费高级会员（12个月） | $19.99 | per year |


## Frequently asked questions

### Is 瑞梦思Sleep free?

瑞梦思Sleep is free to download, with no in-app purchases.

### Is 灵光象吉 free?

灵光象吉 is free to download, with in-app purchases available.

### Do 瑞梦思Sleep or 灵光象吉 have ads?

Neither 瑞梦思Sleep nor 灵光象吉 shows ads.

### Which is updated more often, 瑞梦思Sleep or 灵光象吉?

瑞梦思Sleep ships an update every 4 months, and 灵光象吉 every 2 weeks. Most recently, 瑞梦思Sleep was updated on October 11, 2026 and 灵光象吉 on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*